Steel 5-way spider frame (black semi-gloss powdercoat finish), castors 60mmDIA unhood twin wheel no brake, adjustable seat height 490mm-540mm, high density foam seat & back are fully upholstered in either Warwick Gravity commercial grade fabric (steel, slate, cloud, denim or navy), or commercial grade vinyl (black), or commercial grade factory fabric (charcoal), or can be custom-upholstered in the fabric of your choice, available in various other frame options, matching barstools available in this furniture range